EVALUATION AND RELIABILITY OF EFFECTIVE LEARNING ACTIVITIES FOR IMPLEMENTING EMPLOYABILITY SKILLS MODULE IN THE REPAIR OF SMARTPHONES IN NIGERIAN TECHNICAL COLLEGES. International Journal of Engineering Sciences & Research Technology, [S. l.], v. 15, n. 5, p. 146–157, 2026. DOI: 10.64149/j.ijesrt.15.5.146-157. Disponível em: https://www.ijesrt.com/index.php/J-ijesrt/article/view/312.. Acesso em: 18 oct. 2026.